Tracks
Addressable, concentric circles on a disk, resembling the grooves on a record, which help to divide the disk into separate accessible areas.
UNIX
An operating system that supports multitasking and is suited to multi-user environments. UNIX is compatible with a range of computers, from personal computers to mainframes. See also
Operating system.
VGA
Video Graphics Array. A type of high-resolution display adapter. The VGA adapter built into the system board of your computer supports 16-color graphics at resolutions up to
1024 x 768 and 256-color graphics at resolutions up to 640 x 480 on a compatible VGA monitor.
Video card
A display adapter card that can be installed in one of the computer’s option slots to provide a monitor interface. Your computer comes with a built-in VGA adapter, so you do not need to install a video card if you are going to use this interface.
Write
To store data on a disk.
Write-protect
To protect the data on a diskette from being changed by placing a write-protect tab over the notch on a 5¼-inch diskette or by setting the write-protect switch on a 3Sinch diskette. When a diskette is write-protected, you cannot erase, change, or record over its contents.